Mill Creek #9 Dam
Key Takeaway
Mill Creek #9 Dam is classified as high hazard in West Virginia. It was completed in 1991 and is 35 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 60 ft (taller than 63.7% in WV) |
| Dam Length | 569 ft |
| Dam Type | Rockfill |
| Max Storage | 2.3K acre-ft |
| Normal Storage | 187 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 5 sq mi |
| Year Completed | 1991 (35 years old) |
| NID ID | WV03527 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
SISSONVILLE PSD
Local Government
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High Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Mill Creek #9 Dam?
Mill Creek #9 Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mill Creek #9 Dam?
Mill Creek #9 Dam is owned by SISSONVILLE PSD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mill Creek #9 Dam built?
Mill Creek #9 Dam was completed in 1991, making it 35 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Mill Creek #9 Dam?
Mill Creek #9 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mill Creek #9 Dam?
Mill Creek #9 Dam has a dam height of 60 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Mill Creek #9 Dam last inspected?
Mill Creek #9 Dam was last inspected on October 10, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.